The Math of Causation Puzzle Solution | Quanta Magazine

Interesting article about cause and effect which gets discussed here wrt to marine incidents.

I mostly scrolled through the math-y parts to the narrative at the end. Haven’t clicked on the links yet but looks int resting including a small bit about wildfire risk analysis.

Pretty much describes me in courses for Fluid Dynamics, Thermodynamics, and grad-school economics.


Problem 1

You are sailing on the ocean and spot a bright light from a lighthouse due south. You sail on an easterly course for 30 nautical miles. You get bearings on the lighthouse again and find that it is now 53.13 degrees south of west. How far was the lighthouse from you when you first spotted it? How far is it from you now?

I suppose 40’ and 50’ respectively.